rub one's hands

rub (one's) hands (together)

To be in keen or greedy anticipation (of something). The announcement has many shareholders rubbing their hands together gleefully, as their investments will likely double almost overnight. We were rubbing our hands at the thought of a rematch against the team that robbed us of a spot in the finals so many years ago.
See also: hand, rub
Farlex Dictionary of Idioms.

rub one's hands

Experience or exhibit pleased anticipation or self-satisfaction, as in The owner rubbed his hands as the customer picked out item after item. This metaphoric term alludes to the actual rubbing together of one's hands to express pleasure.
See also: hand, rub
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • rub (one's) hands (together)
  • rub hands
  • rub your hands
  • rubbing
  • laugh with (something)
  • be rubbing (one's) hands (with glee)
  • be rubbing your hands
  • be rubbing your hands with glee
  • glee
  • play the market